Understanding Contractor Bid Estimates
(askthebuilder.com) December 12, 2006

Summary: Heating consulting bid estimates generated each day by hundreds of contractors for thousands of homeowners often seem high. But the homeowners often fail to understand all of the hidden costs attached to a job. For example, the contractor has all sorts of fixed expenses that need to be passed on to the customer. All businesses do this or they eventually go out of business.

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